:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #14213d;
  --muted: #5b6478;
  --accent: #0c142a;
  --border: #e6e8ee;
  --card-bg: #f7f8fb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c142a;
    --fg: #f2f4f8;
    --muted: #a7adbd;
    --accent: #ffffff;
    --border: #232c47;
    --card-bg: #121a35;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.page-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}

header.page-header img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  flex-shrink: 0;
}

header.page-header .title-block {
  display: flex;
  flex-direction: column;
}

header.page-header .app-name {
  font-weight: 700;
  font-size: 1.1rem;
}

header.page-header .page-kind {
  color: var(--muted);
  font-size: 0.95rem;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.2rem;
  margin: 32px 0 8px;
}

p, li {
  color: var(--fg);
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 16px 0;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border);
}

a:hover {
  text-decoration-color: currentColor;
}

.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.lang-switch a,
.lang-switch span {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  text-decoration: none;
}

.lang-switch a:hover {
  border-color: var(--fg);
}

.lang-switch span.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
  font-weight: 600;
}

footer {
  margin-top: 56px;
  color: var(--muted);
  font-size: 0.85rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
}